diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e3dd5f..e95b08a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.2.1 - March 9, 2021
+
+- Fix regression on `Calendar#new` #83 - thanks @ineu!
+
 ## 2.2.0 - March 4, 2021
 
 - Add `Business::Calendar#name` - thanks @mattmcf!
diff --git a/lib/business/version.rb b/lib/business/version.rb
index 69c50d1..9458a1a 100644
--- a/lib/business/version.rb
+++ b/lib/business/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Business
-  VERSION = "2.2.0"
+  VERSION = "2.2.1"
 end